Solve the problem.If an earthquake has an intensity of x, then its magnitude, as computed by the Richter Scale, is given by 
is the intensity of a small, measurable earthquake. (Consider 
for this problem.) If one earthquake has a magnitude 
on the Richter scale and a second earthquake has a magnitude
src="https://sciemce.com/media/4/ppg__10706191733__f1q91g5.jpg" alt="" style="vertical-align: -4.0px;" /> on the Richter scale, how many times more intense (to the nearest whole number) is the second earthquake than the first?
A. 3
B. 79,432,823,472
C. 7943
D. 130
Answer: C
Mathematics
src="https://sciemce.com/media/4/ppg__10706191733__f1q91g5.jpg" alt="" style="vertical-align: -4.0px;" /> on the Richter scale, how many times more intense (to the nearest whole number) is the second earthquake than the first?
A. 3
B. 79,432,823,472
C. 7943
D. 130
Answer: C
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Find the volume of the described solid.The solid lies between planes perpendicular to the x-axis at x = ?/6 to x = ?/2. The cross sections perpendicular to the x-axis are circular disks with diameters running from the curve 
to the curve 
A. (2
- 2) ? - 
B. 
- 
C. 
- 
D. (
- 1) ? + 
Perform the indicated operation
Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.sin 27°
A. 0.96 B. 0.90 C. 0.45 D. 0.51
Identify the given number as "Rational", "Irrational", or "Not a real number". If the number is rational, give its exact value. If the number is irrational, give a decimal approximation to the nearest thousandth.
A. Irrational, 8.000 B. Rational, 8.000 C. Not a real number D. Rational, 4